Though GHK-Cu is far more popular in skin care products, GHK on its own can also provide some benefits
Oncotarget 6 , 54655474 (2015)
Heat, sunlight, and improper handling during shipping can break them down, meaning the product that arrives at your door may not be the same as what was originally manufactured (or what the label claims youre getting)
Intestinal permeability in long-term follow-up of patients with celiac disease on a gluten-free diet
Because the moment they proved it worked, every grey-market lab on earth would sell the exact same molecule, at a fraction of the price, having spent nothing
It's studied for activating telomerase the enzyme that maintains telomeres, the protective caps on chromosomes that shorten with age and for supporting melatonin and circadian rhythm, which improves sleep